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Finding the Fourth Proportional to 63,555.96, 87,706.95 and 35,261.64

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Solution

The fourth proportional to 63,555.96, 87,706.95 and 35,261.64 is: 48,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,555.96 : 87,706.95 = 35,261.64 : x
  2. Step 2: Convert to fraction form
    63,555.96/87,706.95 = 35,261.64/x
  3. Step 3: Cross multiply
    63,555.96x = 87,706.95 × 35,261.64
  4. Step 4: Simplify right side
    63,555.96x = 3,092,690,896.40
  5. Step 5: Solve for x
    x = 3,092,690,896.40/63,555.96
  6. Step 6: Final answer
    x = 48,660.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.